Gene Simmons is among the Age of Empires II players representing Czechia. 95 matches of Age of Empires II are on Gene Simmons's record. The majority of Gene Simmons's matches are in the unranked mode.

Gene Simmons sticks to unranked or casual play, having never entered ranked. Gene Simmons picks Bohemians more than any other civilization—67.4% of the time. With a 63.3% win rate over 30 matches, Poles is Gene Simmons's strongest civilization.

When playing flank, Gene Simmons wins 59.5% of the time (42 matches total).